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(No Model.)

P. A. HEISS. REGISTER FOR DUPLIGATING APPARATUS.

No. 445,761. Patented Feb. 3, 1891.

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UNITED STATES PATENT OFFICE.

FRANK A. HEISS, OF FORT JERVIS, ASSIGNOR TO AUGUSTUS` D. KLABER, OF

NEV YORK, N. Y.

REGISTER FOR DUPLICATING APPARATUS.

SPECIFICATION forming part of Letters Patent No. 445,761, dated February3, 1891. Application 'llefl June l2, 1890. Serial N0` 355,207. (Nomodel.)

To aZZ 107mm/ t may coll/Germ Be it known that I, FRANK A. IIElSs, acitizen of the United States, residing at Port Jervis, in the county ofOrange and State of New York, have invented a certain new, use- `ful,and valuable Improvement in Counting- Machines, ot which the followingis a full, clear, and exact description.

My invention relates to counting-machines; and my improvement has forits object to provide a most simple, inexpensive, and practical devicewhich can readily be placed on any printing-machine, duplicatinapparatus, or other machinery where it is desirable to know the exactnumber of copies which have been printed orotherwise operated upon, andwhen so placed my device serves as a counter and shows exactly thenumber of; impressions taken.

I attain the object ot' my invention by means of the mechanism shown inthe annexed drawings, in which- Figure l represents a perspective viewof a portion ol' a neostyle duplicating apparatus with my improvementapplied thereto. Fig. 2 is a plan view of my device, showing more fullythe location and construction of the various parts of my counter. Fig.Bis an enlarged detail view showing my double pawl.

In the following description similar letters indicate like part-sappearing` in the several views.

A represents a plate, to which is attached the double pawl B, thetoothed'wheel C, and the second wheel I). The double pawl I3 isconstructed with two oppositely -arranged 'teeth ll and I32 ot' theshape shown.

'lhe operation of my improvement is as follows: Upon the double pawl 1Bbeing pressed down by the closing of the printing-frame E2, the uppertooth l engages one of the teeth of the wheel C, and on account ot' theinclined end ot the said tooth I the wheel is caused to revolveslightly, so that when the pawl raises again the under tooth 32 thereofengages the same tooth on the wheel which was struck by the downwardmovement of tooth I3" and causes the wheel C to again revolve slightly,thus throwing the next tooth in position to be engaged by the nextmovement of the pawl. In other words, the downward movement of the toothI3 moves a tooth on the wheel C far enough for the under tooth B2 toengage it, and the under tooth B in raising revolves the wheel so as toallow the upper tooth B to engage the next spoke or tooth on the wheel.After the pawl has been pressed down ninety-nine times the succeedingcroire-hundredth movement causes the elongated tooth C2 on the wheel Cto turn the wheel D one point and brings the figure l to the positionwhere the O formerly stood and indicates that one hundred impressionshave been taken, and by reading directly across where the two wheelsmeet the exact number of impressions can be known. As appears at Fig. l,the counter shows that eighteen hundred and eighty copies have beentaken.

rIhe wheels C and I) are prevented from revolving too Vfreely by makingtheir bearing-screws sufficiently/tight to canse friction or hyarrangingdelicatepawls to engage them.

I n the case of duplicatingapparatus I prefer to arrange my device sothat the wheels project within the bed E, Fig. l, so that the under edgeEis on a line with the gures, which are to be read on the counter, asshown.

Instead of having the wheels set side by side, as shown, I may set thesecond wheel on top of the lirst one, and in this arrangement aprojection on the under wheel would operate the top wheel in anysuitable manner.

That I claim as new, and desire to secure by Letters Patent, is-

l. The combination, with a duplicating apparatus such as described, of acounting-machine adapted to be operated by the raising and closing ofthe printing-trame ot' said dnplicating apparatus, said counting deviceconsisting olia double pawl having' two oppositelyarranged teeth shapedand arranged as shown and a wheel or wheels adapted to be revolvedhorizontally by the vertical movcment oi' the pawl.

2. The combination, with a duplicating apparatus, of a counting-machineconsisting ot' apawl made ot' a single piece of spring metal, shaped asshown, and a toothed wheel or wheels adapted to be revolved horizontallyby the vertical movement of said pawl.

In testimony whereof I affiix my signature in presence of two witnesses.

'FRANK A. IlEISS. Witnesses:

S. HENRY, Onis. W. Mvnn.

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